j3dcore: flatten the directory structure a bit

Signed-off-by: Harvey Harrison <[email protected]>

1 files changed, 236 insertions, 0 deletions

diff --git a/src/javax/media/j3d/LOD.java b/src/javax/media/j3d/LOD.java
new file mode 100644
index 0000000..22b7cca
--- /dev/null
+++ b/src/javax/media/j3d/LOD.java
@@ -0,0 +1,236 @@
+/*
+ * Copyright 1996-2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package javax.media.j3d;
+
+import java.util.Enumeration;
+import java.util.Vector;
+
+/**
+ * An LOD leaf node is an abstract behavior class that operates on
+ * a list of Switch group nodes to select one of the children of the
+ * Switch nodes.
+ * The LOD class is extended to implement various selection criteria.
+ */
+
+public abstract class LOD extends Behavior {
+
+    /**
+     * Wakeup condition for all LOD nodes
+     */
+    WakeupOnElapsedFrames wakeupFrame = new WakeupOnElapsedFrames(0, true);
+
+
+/**
+ * The LOD Node's vector of switch nodes.
+ */
+Vector<Switch> switches = new Vector<Switch>(5);
+
+    /**
+     * Constructs and initializes an LOD node.
+     */
+    public LOD() {
+    }
+
+    /**
+     * Appends the specified switch node to this LOD's list of switches.
+     * @param switchNode the switch node to add to this LOD's list of switches
+     */
+    public void addSwitch(Switch switchNode) {
+	switches.addElement(switchNode);
+    }
+
+    /**
+     * Replaces the specified switch node with the switch node provided.
+     * @param switchNode the new switch node
+     * @param index which switch node to replace
+     */
+    public void setSwitch(Switch switchNode, int index) {
+	Switch sw = getSwitch(index);
+	switches.setElementAt(switchNode, index);
+    }
+
+    /**
+     * Inserts the specified switch node at specified index.
+     * @param switchNode the new switch node
+     * @param index position to insert new switch node at
+     */
+    public void insertSwitch(Switch switchNode, int index) {
+	switches.insertElementAt(switchNode, index);
+    }
+
+    /**
+     * Removes the switch node at specified index.
+     * @param index which switch node to remove
+     */
+    public void removeSwitch(int index) {
+	Switch sw = getSwitch(index);
+	switches.removeElementAt(index);
+    }
+
+/**
+ * Returns the switch node specified by the index.
+ * @param index which switch node to return
+ * @return the switch node at location index
+ */
+public Switch getSwitch(int index) {
+	return switches.elementAt(index);
+}
+
+    /**
+     * Returns the enumeration object of all switches.
+     * @return the enumeration object of all switches
+     */
+    public Enumeration getAllSwitches() {
+        return switches.elements();
+    }
+
+    /**
+     * Returns a count of this LOD's switches.
+     * @return the number of switches controlled by this LOD
+     */
+    public int numSwitches() {
+	return switches.size();
+    }
+
+
+    /**
+     * Retrieves the index of the specified switch node in
+     * this LOD node's list of switches.
+     *
+     * @param switchNode the switch node to be looked up.
+     * @return the index of the specified switch node;
+     * returns -1 if the object is not in the list.
+     *
+     * @since Java 3D 1.3
+     */
+    public int indexOfSwitch(Switch switchNode) {
+	return switches.indexOf(switchNode);
+    }
+
+
+    /**
+     * Removes the specified switch node from this LOD node's
+     * list of switches.
+     * If the specified object is not in the list, the list is not modified.
+     *
+     * @param switchNode the switch node to be removed.
+     *
+     * @since Java 3D 1.3
+     */
+    public void removeSwitch(Switch switchNode) {
+	int index = switches.indexOf(switchNode);
+	if (index >= 0)
+	    removeSwitch(index);
+    }
+
+
+    /**
+     * Removes all switch nodes from this LOD node.
+     *
+     * @since Java 3D 1.3
+     */
+    public void removeAllSwitches() {
+	int numSwitches = switches.size();
+
+	// Remove in reverse order to ensure valid indices
+	for (int index = numSwitches - 1; index >= 0; index--) {
+	    removeSwitch(index);
+	}
+    }
+
+
+    /**
+     * Copies all LOD information from
+     * <code>originalNode</code> into
+     * the current node.  This method is called from the
+     * <code>cloneNode</code> method which is, in turn, called by the
+     * <code>cloneTree</code> method.<P>
+     *
+     * @param originalNode the original node to duplicate.
+     * @param forceDuplicate when set to <code>true</code>, causes the
+     *  <code>duplicateOnCloneTree</code> flag to be ignored.  When
+     *  <code>false</code>, the value of each node's
+     *  <code>duplicateOnCloneTree</code> variable determines whether
+     *  NodeComponent data is duplicated or copied.
+     *
+     * @exception RestrictedAccessException if this object is part of a live
+     *  or compiled scenegraph.
+     *
+     * @see Node#duplicateNode
+     * @see Node#cloneTree
+     * @see NodeComponent#setDuplicateOnCloneTree
+     */
+    @Override
+    void duplicateAttributes(Node originalNode, boolean forceDuplicate) {
+        super.duplicateAttributes(originalNode, forceDuplicate);
+
+	LOD lod = (LOD) originalNode;
+
+        int numSwitch = lod.numSwitches();
+        for (int i = 0; i < numSwitch; i++) {
+            addSwitch(lod.getSwitch(i));
+        }
+    }
+
+    /**
+     * Callback used to allow a node to check if any nodes referenced
+     * by that node have been duplicated via a call to <code>cloneTree</code>.
+     * This method is called by <code>cloneTree</code> after all nodes in
+     * the sub-graph have been duplicated. The cloned Leaf node's method
+     * will be called and the Leaf node can then look up any node references
+     * by using the <code>getNewObjectReference</code> method found in the
+     * <code>NodeReferenceTable</code> object.  If a match is found, a
+     * reference to the corresponding Node in the newly cloned sub-graph
+     * is returned.  If no corresponding reference is found, either a
+     * DanglingReferenceException is thrown or a reference to the original
+     * node is returned depending on the value of the
+     * <code>allowDanglingReferences</code> parameter passed in the
+     * <code>cloneTree</code> call.
+     * <p>
+     * NOTE: Applications should <i>not</i> call this method directly.
+     * It should only be called by the cloneTree method.
+     *
+     * @param referenceTable a NodeReferenceTableObject that contains the
+     *  <code>getNewObjectReference</code> method needed to search for
+     *  new object instances.
+     * @see NodeReferenceTable
+     * @see Node#cloneTree
+     * @see DanglingReferenceException
+     */
+    @Override
+    public void updateNodeReferences(NodeReferenceTable referenceTable) {
+       int numSwitch = numSwitches();
+
+       for (int i = 0; i < numSwitch; i++) {
+	   Switch curSwitch = getSwitch(i);
+	   if (curSwitch != null) {
+	       setSwitch((Switch)
+			 referenceTable.getNewObjectReference(curSwitch), i);
+	   }
+       }
+    }
+}